Fault in the variable valve lift system : Motor power step temperature calibrated too high
PSA · engine
Data confidence72%
The control module detected that the Fault in the variable valve lift system was above its expected limit. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Applies toPeugeotBosch MED 17.4.x engine ECU (EP6 THP family)
P1077
Fault in the variable valve lift system : Motor power step temperature calibrated too high
PSA · engine
Data confidence72%
The control module detected that the Fault in the variable valve lift system was above its expected limit. Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
077
Specific fault index within the subsystem.
Frequently asked questions about P1077
What does P1077 mean?
Fault in the variable valve lift system : Motor power step temperature calibrated too high. The control module detected that the Fault in the variable valve lift system was above its expected limit. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Is P1077 generic or manufacturer-specific?
P1077 is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Can TuningBot remove P1077 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
ItalianoIT
DeutschDE
EspañolES
PortuguêsPT
FrançaisFR
РусскийRU